<a href="javascript:" id="graph-link" class="tooltip" title="show / hide the text">
    <!-- Chat icon -->
    <span></span>
</a>
<div id="controls">
<a href="javascript:" class="tooltip" title="choose a few nodes from the graph and click this button to find out more"  id="go_next"></a>
<a href="javascript:location.reload();" class="tooltip" title="reload the graph" id="reloadbutton"></a>
<a href="javascript:" class="tooltip" title="improve layout" id="improve-layout"></a>
<a href="javascript:" class="tooltip" title="abstract visualization" id="abstract-layout"></a>
<a href="javascript:" class="tooltip" title="show tutorial" id="walkthrough"></a>
<a href="javascript:" class="tooltip" title="switch theme light/dark" id="themeswitch"></a>
<a href="javascript:" class="tooltip" title="adjust settings" id="adjustsettings"></a>
<a href="javascript:" class="tooltip" title="manual and support site" id="manualsupport"><p>User&nbsp;Manual</p></a>

</div>

<div id="graph-tools">
<a href="javascript:" class="tooltip" title="zoom in" id="zoom-in"></a><br><a href="javascript:" class="tooltip" title="zoom out" id="zoom-out"></a>
</div>
